72718401

素因数分解:

$3^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{4157}}^1$

素因数の和:4198

約数の個数: 32

約数和(自身を含む): 119750400

約数和(自身を除く): 47031999

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 343, 357, 833, 1029, 2499, 4157, 5831, 12471, 17493, 29099, 70669, 87297, 203693, 212007, 494683, 611079, 1425851, 1484049, 3462781, 4277553, 10388343, 24239467, 72718401]

約数ペア:

[(1, 72718401), (3, 24239467), (7, 10388343), (17, 4277553), (21, 3462781), (49, 1484049), (51, 1425851), (119, 611079), (147, 494683), (343, 212007), (357, 203693), (833, 87297), (1029, 70669), (2499, 29099), (4157, 17493), (5831, 12471)]